<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'guess.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    输入数字
   <br/>
      <script type="text/javascript">
   function checkForm(){
	    var keyW=document.all.form1.number.value;
	        if(keyW.match(/[^\d]/))
		        {
	        alert("请输入整数字");
	      return false;
	    }
	        else { return true;}
	}
   </script>
   <%
   int num=(int)(Math.random()*100)+1;
   session.setAttribute("count",new Integer(0));
   session.setAttribute("save",new Integer(num));
   %>
   <form action="result.jsp" method="post" name=form1 onclick="return checkForm()">
    <input type="text" name="number" >
      <input type="submit" value="提交" >
     
   </form>
   <br>
   <%=num %>
  </body>
</html>
